what are your thoughts about the genetic engineering of pigs for producing high-quality ham or pork versus genetic engineering of pigs to produce replacement heart valves for humans? Are there any ethical issues involved here?

what are your thoughts about the genetic engineering of pigs for producing high-quality ham or pork versus genetic engineering of pigs to produce replacement heart valves for humans? Are there any ethical issues involved here? Discuss. No cover page and concise written response.